Sidney Harmon (April 30, 1907 – February 29, 1988) was a movie producer and screenwriter. Harmon was nominated for the 1942 Academy Award for Best Story for the movie The Talk of the Town. He began his career working as a writer for radio and the theater during the 1930s. Harmon produced Sidney Kingsley's Pulitzer Prize-winning play Men In White.^[1]

Born in Poughkeepsie, New York in 1907,^[2] Harmon produced Broadway plays throughout the 1930s (1931-1937).^[3] Harmon was one of many members of the Group Theatre to become involved with movie production.^[4] He married artist Lily Harmon (née Perlmutter) in 1934; they divorced in 1940.^[5] He worked with movies from the 1940s to the 1960s. In 1959, he co-founded the Theatre Group at the University of California at Los Angeles with John Houseman and Robert Ryan.^[6]

Harmon, with Ryan and others, initiated the Oakwood School in California in 1951.^[7]

During retirement, Harmon was active in the cultural life of Palm Springs, California; he was the first director emeritus of the McCallum Theatre in Palm Desert.^[8] The Desert Theatre League's Sidney Harmon Award honored members "in recognition of the advancement of theatrical excellence both on and off the stage".^[9]

Harmon died in Rancho Mirage, California^[10] on February 29, 1988.^{[citation needed]}